42789520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28151}}^1$

素因数の和:28183

約数の個数: 40

約数和(自身を含む): 104725440

約数和(自身を除く): 61935920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 28151, 56302, 112604, 140755, 225208, 281510, 450416, 534869, 563020, 1069738, 1126040, 2139476, 2252080, 2674345, 4278952, 5348690, 8557904, 10697380, 21394760, 42789520]

約数ペア:

[(1, 42789520), (2, 21394760), (4, 10697380), (5, 8557904), (8, 5348690), (10, 4278952), (16, 2674345), (19, 2252080), (20, 2139476), (38, 1126040), (40, 1069738), (76, 563020), (80, 534869), (95, 450416), (152, 281510), (190, 225208), (304, 140755), (380, 112604), (760, 56302), (1520, 28151)]